The temperature falls from 0 degrees to - 12 1/4 in 3 1/2 hours. Which expression finds the change in temperature per hour?

A. - 7/2 : 49/4

B. - 7/2 x 49/4

C. - 49/4 x 7/2

D. - 49/4 : 7/2

Which number is between 3/4 and 0.8

Common Denominator of 7-4-9-3-8

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Simplify. 25/55x A. 5/11x B. 1/2x C. x/2 D. 5x/12

Incorrect, 12.1.53 You purchased a five-pack of new light bulbs that were recalled because 11 % of the lights did not work.

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